Yes, all planets spin. Some rather slowly, like Venus, where a day is as long as a year. If your idea of "not spinning" is that the planet always shows the same face to the sun, this is the situation of our moon. read more
Yes, all planets spin. Some rather slowly, like Venus, where a day is as long as a year. If your idea of "not spinning" is that the planet always shows the same face to the sun, this is the situation of our moon. read more
Planets form from material in this disk, through accretion of smaller particles. In our solar system, the giant gas planets (Jupiter, Saturn, Uranus, and Neptune) spin more rapidly on their axes than the inner planets do and possess most of the system's angular momentum. read more